package com.atguigu.gulimall.ssoclient.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RestTemplate;

import javax.servlet.http.HttpSession;
import java.util.ArrayList;
import java.util.List;

/**
 * @Author: Zjn ; Bring it on !!!
 * @Date: 2021/11/19 0019 8:36
 * Note:
 */
@Controller
public class HelloController {

    @Value("${sso.server.url}")
    String ssoServerUrl;



    /**
     * 无需登录就可访问
     */
    @ResponseBody
    @GetMapping("/hello")
    public String hello(){
        return "hello";
    }

    @GetMapping("/boss")
    public String employees(Model model, HttpSession session,
                            @RequestParam(value = "token",required = false) String token){
        if(StringUtils.hasLength(token)){
            //TODO 1.去ssoserver获取当前token真正对应的用户信息
            RestTemplate restTemplate = new RestTemplate();
            ResponseEntity<String> entity = restTemplate.getForEntity("http://ssoserver.com:18100/userInfo?token=" + token,
                    String.class);
            String body = entity.getBody();
            session.setAttribute("loginUser",body);
        }

        Object loginUser = session.getAttribute("loginUser");
        if (loginUser==null) {
            //没登陆
            return "redirect:"+ssoServerUrl+"?redirect_url=http://client2.com:18102/boss";
        }else{
            List<String> emps = new ArrayList<>();
            emps.add("张三");
            emps.add("李四");

            model.addAttribute("emps",emps);
            return "list";
        }
    }
}
